CN212080437U - Flange with good sealing performance - Google Patents

Flange with good sealing performance Download PDF

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Publication number
CN212080437U
CN212080437U CN202020375597.9U CN202020375597U CN212080437U CN 212080437 U CN212080437 U CN 212080437U CN 202020375597 U CN202020375597 U CN 202020375597U CN 212080437 U CN212080437 U CN 212080437U
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China
Prior art keywords
flange
sleeve pipe
groove
ring
flange sleeve
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CN202020375597.9U
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Chinese (zh)
Inventor
张志勇
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Jiangsu Furuidi Machinery Manufacturing Co ltd
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Jiangsu Furuidi Machinery Manufacturing Co ltd
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Priority to CN202020375597.9U priority Critical patent/CN212080437U/en
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Abstract

The utility model discloses a flange that leakproofness is good relates to flange technical field, although leakage phenomenon by a wide margin can not appear for the flange among the solution prior art, nevertheless still can have the problem of the defect on some details at the in-process that uses. First flange sleeve pipe and second flange sleeve pipe's one end all is provided with the sleeve pipe and connects the groove, and first flange sleeve pipe and second flange sleeve pipe all with sleeve pipe and connect groove integrated into one piece, the inboard in sleeve pipe connects the groove is provided with elastic rubber ring, and elastic rubber ring passes through the draw-in groove with first flange sleeve pipe and second flange sleeve pipe and is connected, first flange sleeve pipe's the other end is provided with the outer ring flange that covers, and first flange sleeve pipe with cover ring flange fixed connection outward, the sheathed tube other end of second flange is provided with the inscription ring flange, and second flange sleeve pipe and inscription ring flange fixed connection, the inscription ring flange all is provided with central screw with the surface that covers the ring flange outward, and the inscription ring flange passes through anchoring bolt.

Description

Flange with good sealing performance
Technical Field
The utility model relates to a flange technical field specifically is a flange that leakproofness is good.
Background
The flange is also called a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be screwed with the flanges, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts. The flanges of different pressures have different thicknesses and they use different bolts. When the water pump and the valve are connected with a pipeline, the parts of the equipment and equipment are also made into corresponding flange shapes, which are also called flange connection. The connecting parts which are connected by using bolts at the peripheries of two planes and are closed at the same time are generally called flanges, and for example, the connecting parts of the ventilating duct can be called flange parts.
However, although the existing flange does not have a large leakage phenomenon, the existing flange still has some defects in details in the use process; therefore, the existing requirements are not met, and a flange with good sealing performance is provided for the flange.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flange that leakproofness is good to the flange that proposes in solving above-mentioned background art can not appear leakage phenomenon by a wide margin, nevertheless still can have the problem of the defect in some details at the in-process that uses.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flange that leakproofness is good, includes first flange sleeve pipe and second flange sleeve pipe, first flange sleeve pipe and second flange sleeve pipe's one end all is provided with the sleeve pipe and connects the groove, and first flange sleeve pipe and second flange sleeve pipe all with sleeve pipe connection groove integrated into one piece, the inboard in sleeve pipe connection groove is provided with elastic rubber ring, and elastic rubber ring and first flange sleeve pipe and second flange sleeve pipe pass through the draw-in groove and be connected, first flange sleeve pipe's the other end is provided with covers the ring flange outward, and first flange sleeve pipe and cover ring flange fixed connection outward, second flange sleeve pipe's the other end is provided with the inscription ring flange, and second flange sleeve pipe and inscription ring flange fixed connection.
Preferably, the outer surfaces of the inner connecting flange plate and the outer covering flange plate are both provided with central screw holes, and the inner connecting flange plate is connected with the outer covering flange plate through anchoring bolts.
Preferably, one side of the inner connecting flange plate is provided with a pipe orifice butt-joint block, the pipe orifice butt-joint block is fixedly connected with the inner connecting flange plate, and the inner side of the outer covering flange plate is provided with a butt-joint groove.
Preferably, the pipe orifice butt joint block is connected with the butt joint groove in a combined mode, and a sealing clamping ring is arranged between the pipe orifice butt joint block and the butt joint groove.
Preferably, one side of the sleeve connecting groove is provided with a trapezoidal notch.
Compared with the prior art, the beneficial effects of the utility model are that:
1. after the pipeline enters the interior of the sleeve connecting groove, the elastic rubber rings 7 on the two sides can be tightly attached to the inner side and the outer side of the pipeline under the influence of extrusion, so that liquid is prevented from leaking from a connecting gap, a trapezoidal notch is arranged on one side of the sleeve connector, the cross section area of one side, in contact with the sleeve connecting groove, of the pipeline can be reduced by the trapezoidal notch, and therefore when water flows pass through, a buffering effect can be achieved, the impact force of the water flows on the sleeve is reduced, and the phenomenon that gaps occur between the sleeve connecting groove and the pipeline due to overlarge water flow impact is avoided;
2. the utility model discloses a with the inboard mouth of pipe butt joint piece of inscription ring flange and the laminating each other of the inboard butt joint recess of outer flange plate, both can form tortuous laminating gap after combining, even slight leakage appears, influenced by the separation in tortuous gap, the phenomenon that oozes can not appear in liquid yet, still be provided with a sealed rand between the two simultaneously, can strengthen the sealing performance of junction.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;
fig. 3 is an enlarged structural diagram a of the present invention.
In the figure: 1. a first flange bushing; 2. a second flange bushing; 3. the flange plate is connected in an inscribed mode; 4. a flange plate is externally coated; 5. a sleeve connecting groove; 6. an anchor bolt; 7. an elastic rubber ring; 8. butting the grooves; 9. a pipe orifice butt joint block; 10. a sealing collar; 11. a central screw hole; 12. a trapezoidal notch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a flange with good sealing performance comprises a first flange sleeve 1 and a second flange sleeve 2, wherein one end of each of the first flange sleeve 1 and the second flange sleeve 2 is provided with a sleeve connecting groove 5, the first flange sleeve 1 and the second flange sleeve 2 are integrally formed with the sleeve connecting grooves 5, a pipeline is inserted into the two groups of sleeve connecting grooves 5 during installation and then is fixed and fastened, the inner side of each sleeve connecting groove 5 is provided with an elastic rubber ring 7, when the pipeline enters the pipe connecting grooves 5, the inner side and the outer side of the pipeline are extruded by the elastic rubber rings 7 at the two sides, so that liquid is prevented from leaking from a connecting gap, the elastic rubber rings 7 are connected with the first flange sleeve 1 and the second flange sleeve 2 through clamping grooves, the other end of the first flange sleeve 1 is provided with an outer-covering flange plate 4, the first flange sleeve 1 is fixedly connected with the outer-covering flange plate 4, the other end of the second flange sleeve 2 is provided with an inner-connection flange 3, and the second flange sleeve 2 is fixedly connected with the inner connecting flange plate 3, so that the stability is enhanced.
Furthermore, the outer surfaces of the inner connecting flange 3 and the outer covering flange 4 are both provided with central screw holes 11, and the inner connecting flange 3 and the outer covering flange 4 are connected through anchoring bolts 6 to connect and fix the two groups of flanges.
Further, one side of the inner connecting flange 3 is provided with a pipe orifice butt-joint block 9, the pipe orifice butt-joint block 9 is fixedly connected with the inner connecting flange 3, and the inner side of the outer covering flange 4 is provided with a butt-joint groove 8.
Further, mouth of pipe butt joint piece 9 and 8 built-up connections of butt joint recess, both can form tortuous laminating gap after the combination, even slight leakage appears, receive the separation influence in tortuous gap, the phenomenon that oozes can not appear in liquid yet, and be provided with sealed rand 10 between mouth of pipe butt joint piece 9 and the butt joint recess 8, sealed rand 10 passes through the mode of draw-in groove and installs between the two to the sealing performance of reinforcing junction.
Further, one side that the sleeve pipe connects groove 5 is provided with trapezoidal notch 12, and trapezoidal notch 12 can reduce the cross-sectional area that pipeline and sleeve pipe connect groove 5 contact one side, can play the effect of a buffering like this when rivers pass through, reduces rivers to sheathed tube impact force, avoids appearing the gap because of the too big sleeve pipe and the pipeline that leads to of rivers impact.
The working principle is as follows: when in use, a liquid pipeline is inserted into the sleeve connecting groove 5 at one end of the two groups of flange sleeves, then the pipeline and the sleeves are fixedly fastened, after the pipeline enters the sleeve connecting groove 5, the elastic rubber rings 7 at two sides are tightly attached to the inner side and the outer side of the pipeline under the influence of extrusion, thereby preventing the liquid from leaking from a connecting gap, one side of the sleeve connecting groove 5 is provided with a trapezoidal notch 12, the trapezoidal notch 12 can reduce the cross section area of one side of the pipeline, which is contacted with the sleeve connecting groove 5, so that when water flows pass through, a buffering effect can be achieved, the impact force of the water flows on the sleeves is reduced, the gap between the sleeves and the pipeline caused by the overlarge water flow impact is avoided, then the internal connecting flange 3 and the external connecting flange 4 at the other end of the two groups of flange sleeves are butted, and the pipe orifice at the inner side of the internal connecting flange 3 is butted with the butt joint block 9 and the, the two combined flanges form a zigzag joint gap, even if slight leakage occurs, liquid cannot seep due to the obstruction of the zigzag gap, meanwhile, a sealing clamping ring 10 is further arranged between the two combined flanges, the sealing performance of the joint can be enhanced, and finally, the two groups of flanges are fixedly connected through a central screw hole 11 of the anchoring bolt 6 penetrating through the inner flange 3 and the outer flange 4.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a flange that leakproofness is good, includes first flange sleeve pipe (1) and second flange sleeve pipe (2), its characterized in that: the one end of first flange sleeve pipe (1) and second flange sleeve pipe (2) all is provided with bushing groove (5), and first flange sleeve pipe (1) and second flange sleeve pipe (2) all with bushing groove (5) integrated into one piece, the inboard that the bushing groove (5) was connected is provided with elasticity rubber ring (7), and elasticity rubber ring (7) pass through the draw-in groove with first flange sleeve pipe (1) and second flange sleeve pipe (2) and be connected, the other end of first flange sleeve pipe (1) is provided with covers ring flange (4) outward, and first flange sleeve pipe (1) with cover ring flange (4) fixed connection outward, the other end of second flange sleeve pipe (2) is provided with inscription ring flange (3), and second flange sleeve pipe (2) and inscription ring flange (3) fixed connection.
2. The flange with good sealing performance as claimed in claim 1, wherein: the outer surfaces of the inner connecting flange plate (3) and the outer covering flange plate (4) are respectively provided with a central screw hole (11), and the inner connecting flange plate (3) and the outer covering flange plate (4) are connected through an anchoring bolt (6).
3. The flange with good sealing performance as claimed in claim 1, wherein: one side of the inner connecting flange plate (3) is provided with a pipe orifice butt-joint block (9), the pipe orifice butt-joint block (9) is fixedly connected with the inner connecting flange plate (3), and the inner side of the outer covering flange plate (4) is provided with a butt-joint groove (8).
4. A flange according to claim 3, wherein: the pipe orifice butt joint block (9) is connected with the butt joint groove (8) in a combined mode, and a sealing clamping ring (10) is arranged between the pipe orifice butt joint block (9) and the butt joint groove (8).
5. The flange with good sealing performance as claimed in claim 1, wherein: one side of the sleeve connecting groove (5) is provided with a trapezoidal notch (12).
CN202020375597.9U 2020-03-23 2020-03-23 Flange with good sealing performance Active CN212080437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020375597.9U CN212080437U (en) 2020-03-23 2020-03-23 Flange with good sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020375597.9U CN212080437U (en) 2020-03-23 2020-03-23 Flange with good sealing performance

Publications (1)

Publication Number Publication Date
CN212080437U true CN212080437U (en) 2020-12-04

Family

ID=73561133

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020375597.9U Active CN212080437U (en) 2020-03-23 2020-03-23 Flange with good sealing performance

Country Status (1)

Country Link
CN (1) CN212080437U (en)

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